{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2008:3YCDLZRPKQZKNWZQLIYNMEQYZ6","short_pith_number":"pith:3YCDLZRP","canonical_record":{"source":{"id":"0812.3409","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-12-17T21:19:25Z","cross_cats_sorted":[],"title_canon_sha256":"8f39f40d8c014c88b2c0110257a6931b7e04e2084557f63d75ea08ac6f04399c","abstract_canon_sha256":"d1f0e5bfd9e1199022e1267420809633b076d95452f2ca5ac36bd3b92a052eb1"},"schema_version":"1.0"},"canonical_sha256":"de0435e62f5432a6db305a30d61218cf907f1077fc72b806ec1da12023503b23","source":{"kind":"arxiv","id":"0812.3409","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0812.3409","created_at":"2026-05-18T02:15:04Z"},{"alias_kind":"arxiv_version","alias_value":"0812.3409v1","created_at":"2026-05-18T02:15:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0812.3409","created_at":"2026-05-18T02:15:04Z"},{"alias_kind":"pith_short_12","alias_value":"3YCDLZRPKQZK","created_at":"2026-05-18T12:25:56Z"},{"alias_kind":"pith_short_16","alias_value":"3YCDLZRPKQZKNWZQ","created_at":"2026-05-18T12:25:56Z"},{"alias_kind":"pith_short_8","alias_value":"3YCDLZRP","created_at":"2026-05-18T12:25:56Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2008:3YCDLZRPKQZKNWZQLIYNMEQYZ6","target":"record","payload":{"canonical_record":{"source":{"id":"0812.3409","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-12-17T21:19:25Z","cross_cats_sorted":[],"title_canon_sha256":"8f39f40d8c014c88b2c0110257a6931b7e04e2084557f63d75ea08ac6f04399c","abstract_canon_sha256":"d1f0e5bfd9e1199022e1267420809633b076d95452f2ca5ac36bd3b92a052eb1"},"schema_version":"1.0"},"canonical_sha256":"de0435e62f5432a6db305a30d61218cf907f1077fc72b806ec1da12023503b23","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:15:04.501854Z","signature_b64":"/haRt1gA7pTuWxKf2VfVkOElLW6lVH18prMKCxJC0/3xkNYc6us2we6dQ+FzxbqmKUP8/0+Hai8iZOmPP6vtCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"de0435e62f5432a6db305a30d61218cf907f1077fc72b806ec1da12023503b23","last_reissued_at":"2026-05-18T02:15:04.501296Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:15:04.501296Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0812.3409","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:15:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PYpaQLWdqaTg+AohL4RwnXgYmRXN0KSzSKLWF7GIPZlck46UAqHSZzf0NQuzHAC7X6pVzVyJKV/qJ4sPYPBIAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T23:14:43.736775Z"},"content_sha256":"054cd4670f46fb23a4dc9503091cc3966bbecc241cacf1303087e6de7f767294","schema_version":"1.0","event_id":"sha256:054cd4670f46fb23a4dc9503091cc3966bbecc241cacf1303087e6de7f767294"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2008:3YCDLZRPKQZKNWZQLIYNMEQYZ6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"New CO detections of lensed submillimeter galaxies in A2218: Probing molecular gas in the LIRG regime at high redshift","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"J.-P. Kneib, K.K. Knudsen, P.P. van der Werf, R. Neri","submitted_at":"2008-12-17T21:19:25Z","abstract_excerpt":"Context: Submillimeter galaxies (SMGs) are distant, dusty galaxies undergoing star formation at prodigious rates. Recently there has been major progress in understanding the nature of the bright SMGs (i.e. S(850um)>5mJy). The samples for the fainter SMGs are small and are currently in a phase of being built up through identification studies. Aims: We study the molecular gas content in two SMGs, SMMJ163555 and SMMJ163541, at z=1.034 and z=3.187 with unlensed submm fluxes of 0.4mJy and 6.0mJy. Both SMGs are gravitationally lensed by the foreground cluster A2218. Methods: IRAM Plateau de Bure Int"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0812.3409","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:15:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fp4qcyZKX1JTVhAQPGmNbV92aqcgtWvxGiquEF94IeZGeXT/Y/ke4JTmrWsnZmbmWvl/nCKoIz49zJpnZYOiBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T23:14:43.737476Z"},"content_sha256":"4f59024cd9d21274f36baeaaf97172f8066129487860500db0730a4d151980a7","schema_version":"1.0","event_id":"sha256:4f59024cd9d21274f36baeaaf97172f8066129487860500db0730a4d151980a7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3YCDLZRPKQZKNWZQLIYNMEQYZ6/bundle.json","state_url":"https://pith.science/pith/3YCDLZRPKQZKNWZQLIYNMEQYZ6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3YCDLZRPKQZKNWZQLIYNMEQYZ6/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-05-28T23:14:43Z","links":{"resolver":"https://pith.science/pith/3YCDLZRPKQZKNWZQLIYNMEQYZ6","bundle":"https://pith.science/pith/3YCDLZRPKQZKNWZQLIYNMEQYZ6/bundle.json","state":"https://pith.science/pith/3YCDLZRPKQZKNWZQLIYNMEQYZ6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3YCDLZRPKQZKNWZQLIYNMEQYZ6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2008:3YCDLZRPKQZKNWZQLIYNMEQYZ6","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"d1f0e5bfd9e1199022e1267420809633b076d95452f2ca5ac36bd3b92a052eb1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-12-17T21:19:25Z","title_canon_sha256":"8f39f40d8c014c88b2c0110257a6931b7e04e2084557f63d75ea08ac6f04399c"},"schema_version":"1.0","source":{"id":"0812.3409","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0812.3409","created_at":"2026-05-18T02:15:04Z"},{"alias_kind":"arxiv_version","alias_value":"0812.3409v1","created_at":"2026-05-18T02:15:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0812.3409","created_at":"2026-05-18T02:15:04Z"},{"alias_kind":"pith_short_12","alias_value":"3YCDLZRPKQZK","created_at":"2026-05-18T12:25:56Z"},{"alias_kind":"pith_short_16","alias_value":"3YCDLZRPKQZKNWZQ","created_at":"2026-05-18T12:25:56Z"},{"alias_kind":"pith_short_8","alias_value":"3YCDLZRP","created_at":"2026-05-18T12:25:56Z"}],"graph_snapshots":[{"event_id":"sha256:4f59024cd9d21274f36baeaaf97172f8066129487860500db0730a4d151980a7","target":"graph","created_at":"2026-05-18T02:15:04Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"Context: Submillimeter galaxies (SMGs) are distant, dusty galaxies undergoing star formation at prodigious rates. Recently there has been major progress in understanding the nature of the bright SMGs (i.e. S(850um)>5mJy). The samples for the fainter SMGs are small and are currently in a phase of being built up through identification studies. Aims: We study the molecular gas content in two SMGs, SMMJ163555 and SMMJ163541, at z=1.034 and z=3.187 with unlensed submm fluxes of 0.4mJy and 6.0mJy. Both SMGs are gravitationally lensed by the foreground cluster A2218. Methods: IRAM Plateau de Bure Int","authors_text":"J.-P. Kneib, K.K. Knudsen, P.P. van der Werf, R. Neri","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-12-17T21:19:25Z","title":"New CO detections of lensed submillimeter galaxies in A2218: Probing molecular gas in the LIRG regime at high redshift"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0812.3409","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:054cd4670f46fb23a4dc9503091cc3966bbecc241cacf1303087e6de7f767294","target":"record","created_at":"2026-05-18T02:15:04Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"d1f0e5bfd9e1199022e1267420809633b076d95452f2ca5ac36bd3b92a052eb1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-12-17T21:19:25Z","title_canon_sha256":"8f39f40d8c014c88b2c0110257a6931b7e04e2084557f63d75ea08ac6f04399c"},"schema_version":"1.0","source":{"id":"0812.3409","kind":"arxiv","version":1}},"canonical_sha256":"de0435e62f5432a6db305a30d61218cf907f1077fc72b806ec1da12023503b23","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"de0435e62f5432a6db305a30d61218cf907f1077fc72b806ec1da12023503b23","first_computed_at":"2026-05-18T02:15:04.501296Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:15:04.501296Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"/haRt1gA7pTuWxKf2VfVkOElLW6lVH18prMKCxJC0/3xkNYc6us2we6dQ+FzxbqmKUP8/0+Hai8iZOmPP6vtCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:15:04.501854Z","signed_message":"canonical_sha256_bytes"},"source_id":"0812.3409","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:054cd4670f46fb23a4dc9503091cc3966bbecc241cacf1303087e6de7f767294","sha256:4f59024cd9d21274f36baeaaf97172f8066129487860500db0730a4d151980a7"],"state_sha256":"ab7cd836e990bd1f3be2971169c980733e5df2bd741bbc218ab268deed696d64"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ifJnEYoOMZ6otooYgZMFTJ0hJLqTaflqlpyuKyVeLU6W/DF/nTl5NLdLi+RWrGjX45jX3HqtdHAfkBnQSMGTAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T23:14:43.741491Z","bundle_sha256":"3fdb3ac10aab09b65a5bd7a328a187d5766fa50ede7b4cd1dbf1fa8d4a32a0c9"}}